git.sesse.net Git - casparcg/blob - shell/server.cpp

   1 /*\r
   2 * Copyright (c) 2011 Sveriges Television AB <info@casparcg.com>\r
   3 *\r
   4 * This file is part of CasparCG (www.casparcg.com).\r
   5 *\r
   6 * CasparCG is free software: you can redistribute it and/or modify\r
   7 * it under the terms of the GNU General Public License as published by\r
   8 * the Free Software Foundation, either version 3 of the License, or\r
   9 * (at your option) any later version.\r
  10 *\r
  11 * CasparCG is distributed in the hope that it will be useful,\r
  12 * but WITHOUT ANY WARRANTY; without even the implied warranty of\r
  13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\r
  14 * GNU General Public License for more details.\r
  15 *\r
  16 * You should have received a copy of the GNU General Public License\r
  17 * along with CasparCG. If not, see <http://www.gnu.org/licenses/>.\r
  18 *\r
  19 * Author: Robert Nagy, ronag89@gmail.com\r
  20 */\r
  21 \r
  22 \r
  23 #include "server.h"\r
  24 \r
  25 #include <memory>\r
  26 \r
  27 #include <common/env.h>\r
  28 #include <common/exception/exceptions.h>\r
  29 #include <common/utility/string.h>\r
  30 #include <common/filesystem/polling_filesystem_monitor.h>\r
  31 \r
  32 #include <core/mixer/gpu/ogl_device.h>\r
  33 #include <core/video_channel.h>\r
  34 #include <core/producer/stage.h>\r
  35 #include <core/consumer/output.h>\r
  36 #include <core/thumbnail_generator.h>\r
  37 \r
  38 #include <modules/bluefish/bluefish.h>\r
  39 #include <modules/decklink/decklink.h>\r
  40 #include <modules/ffmpeg/ffmpeg.h>\r
  41 #include <modules/flash/flash.h>\r
  42 #include <modules/oal/oal.h>\r
  43 #include <modules/ogl/ogl.h>\r
  44 #include <modules/silverlight/silverlight.h>\r
  45 #include <modules/image/image.h>\r
  46 #include <modules/image/consumer/image_consumer.h>\r
  47 \r
  48 #include <modules/oal/consumer/oal_consumer.h>\r
  49 #include <modules/bluefish/consumer/bluefish_consumer.h>\r
  50 #include <modules/decklink/consumer/decklink_consumer.h>\r
  51 #include <modules/ogl/consumer/ogl_consumer.h>\r
  52 #include <modules/ffmpeg/consumer/ffmpeg_consumer.h>\r
  53 \r
  54 #include <protocol/amcp/AMCPProtocolStrategy.h>\r
  55 #include <protocol/cii/CIIProtocolStrategy.h>\r
  56 #include <protocol/CLK/CLKProtocolStrategy.h>\r
  57 #include <protocol/util/AsyncEventServer.h>\r
  58 #include <protocol/util/stateful_protocol_strategy_wrapper.h>\r
  59 \r
  60 #include <boost/algorithm/string.hpp>\r
  61 #include <boost/lexical_cast.hpp>\r
  62 #include <boost/foreach.hpp>\r
  63 #include <boost/property_tree/ptree.hpp>\r
  64 #include <boost/property_tree/xml_parser.hpp>\r
  65 \r
  66 namespace caspar {\r
  67 \r
  68 using namespace core;\r
  69 using namespace protocol;\r
  70 \r
  71 struct server::implementation : boost::noncopyable\r
  72 {\r
  73         boost::promise<bool>&                                           shutdown_server_now_;\r
  74         safe_ptr<ogl_device>                                            ogl_;\r
  75         std::vector<safe_ptr<IO::AsyncEventServer>> async_servers_;     \r
  76         std::vector<safe_ptr<video_channel>>            channels_;\r
  77         std::shared_ptr<thumbnail_generator>            thumbnail_generator_;\r
  78 \r
  79         implementation(boost::promise<bool>& shutdown_server_now)\r
  80                 : shutdown_server_now_(shutdown_server_now)\r
  81                 , ogl_(ogl_device::create())\r
  82         {                       \r
  83                 ffmpeg::init();\r
  84                 CASPAR_LOG(info) << L"Initialized ffmpeg module.";\r
  85                                                           \r
  86                 bluefish::init();         \r
  87                 CASPAR_LOG(info) << L"Initialized bluefish module.";\r
  88                                                           \r
  89                 decklink::init();         \r
  90                 CASPAR_LOG(info) << L"Initialized decklink module.";\r
  91                                                                                                                   \r
  92                 oal::init();              \r
  93                 CASPAR_LOG(info) << L"Initialized oal module.";\r
  94                                                           \r
  95                 ogl::init();              \r
  96                 CASPAR_LOG(info) << L"Initialized ogl module.";\r
  97 \r
  98                 image::init();            \r
  99                 CASPAR_LOG(info) << L"Initialized image module.";\r
 100 \r
 101                 flash::init();            \r
 102                 CASPAR_LOG(info) << L"Initialized flash module.";\r
 103 \r
 104                 setup_channels(env::properties());\r
 105                 CASPAR_LOG(info) << L"Initialized channels.";\r
 106 \r
 107                 setup_thumbnail_generation(env::properties());\r
 108 \r
 109                 setup_controllers(env::properties());\r
 110                 CASPAR_LOG(info) << L"Initialized controllers.";\r
 111         }\r
 112 \r
 113         ~implementation()\r
 114         {               \r
 115                 ffmpeg::uninit();\r
 116 \r
 117                 async_servers_.clear();\r
 118                 channels_.clear();\r
 119         }\r
 120                                 \r
 121         void setup_channels(const boost::property_tree::wptree& pt)\r
 122         {   \r
 123                 using boost::property_tree::wptree;\r
 124                 BOOST_FOREACH(auto& xml_channel, pt.get_child(L"configuration.channels"))\r
 125                 {               \r
 126                         auto format_desc = video_format_desc::get(widen(xml_channel.second.get(L"video-mode", L"PAL")));                \r
 127                         if(format_desc.format == video_format::invalid)\r
 128                                 BOOST_THROW_EXCEPTION(caspar_exception() << msg_info("Invalid video-mode."));\r
 129                         \r
 130                         channels_.push_back(make_safe<video_channel>(channels_.size()+1, format_desc, ogl_));\r
 131                         \r
 132                         BOOST_FOREACH(auto& xml_consumer, xml_channel.second.get_child(L"consumers"))\r
 133                         {\r
 134                                 try\r
 135                                 {\r
 136                                         auto name = xml_consumer.first;\r
 137                                         if(name == L"screen")\r
 138                                                 channels_.back()->output()->add(ogl::create_consumer(xml_consumer.second));                                     \r
 139                                         else if(name == L"bluefish")                                    \r
 140                                                 channels_.back()->output()->add(bluefish::create_consumer(xml_consumer.second));                                        \r
 141                                         else if(name == L"decklink")                                    \r
 142                                                 channels_.back()->output()->add(decklink::create_consumer(xml_consumer.second));                                \r
 143                                         else if(name == L"file")                                        \r
 144                                                 channels_.back()->output()->add(ffmpeg::create_consumer(xml_consumer.second));                                          \r
 145                                         else if(name == L"system-audio")\r
 146                                                 channels_.back()->output()->add(oal::create_consumer());                \r
 147                                         else if(name != L"<xmlcomment>")\r
 148                                                 CASPAR_LOG(warning) << "Invalid consumer: " << widen(name);     \r
 149                                 }\r
 150                                 catch(...)\r
 151                                 {\r
 152                                         CASPAR_LOG_CURRENT_EXCEPTION();\r
 153                                 }\r
 154                         }                                                       \r
 155                 }\r
 156 \r
 157                 // Dummy diagnostics channel\r
 158                 if(env::properties().get(L"configuration.channel-grid", false))\r
 159                         channels_.push_back(make_safe<video_channel>(channels_.size()+1, core::video_format_desc::get(core::video_format::x576p2500), ogl_));\r
 160         }\r
 161                 \r
 162         void setup_controllers(const boost::property_tree::wptree& pt)\r
 163         {               \r
 164                 using boost::property_tree::wptree;\r
 165                 BOOST_FOREACH(auto& xml_controller, pt.get_child(L"configuration.controllers"))\r
 166                 {\r
 167                         try\r
 168                         {\r
 169                                 auto name = xml_controller.first;\r
 170                                 auto protocol = xml_controller.second.get<std::wstring>(L"protocol");   \r
 171 \r
 172                                 if(name == L"tcp")\r
 173                                 {                                       \r
 174                                         unsigned int port = xml_controller.second.get(L"port", 5250);\r
 175                                         auto asyncbootstrapper = make_safe<IO::AsyncEventServer>(create_protocol(protocol), port);\r
 176                                         asyncbootstrapper->Start();\r
 177                                         async_servers_.push_back(asyncbootstrapper);\r
 178                                 }\r
 179                                 else\r
 180                                         CASPAR_LOG(warning) << "Invalid controller: " << widen(name);   \r
 181                         }\r
 182                         catch(...)\r
 183                         {\r
 184                                 CASPAR_LOG_CURRENT_EXCEPTION();\r
 185                         }\r
 186                 }\r
 187         }\r
 188 \r
 189         void setup_thumbnail_generation(const boost::property_tree::wptree& pt)\r
 190         {\r
 191                 if (!pt.get(L"configuration.thumbnails.generate-thumbnails", true))\r
 192                         return;\r
 193 \r
 194                 auto scan_interval_millis = pt.get(L"configuration.thumbnails.scan-interval-millis", 5000);\r
 195 \r
 196                 polling_filesystem_monitor_factory monitor_factory(scan_interval_millis);\r
 197                 thumbnail_generator_.reset(new thumbnail_generator(\r
 198                                 monitor_factory, \r
 199                                 env::media_folder(),\r
 200                                 env::thumbnails_folder(),\r
 201                                 pt.get(L"configuration.thumbnails.width", 256),\r
 202                                 pt.get(L"configuration.thumbnails.height", 144),\r
 203                                 core::video_format_desc::get(pt.get(L"configuration.thumbnails.video-mode", L"720p2500")),\r
 204                                 ogl_,\r
 205                                 pt.get(L"configuration.thumbnails.generate-delay-millis", 2000),\r
 206                                 &image::write_cropped_png));\r
 207 \r
 208                 CASPAR_LOG(info) << L"Initialized thumbnail generator.";\r
 209         }\r
 210 \r
 211         safe_ptr<IO::IProtocolStrategy> create_protocol(const std::wstring& name) const\r
 212         {\r
 213                 if(boost::iequals(name, L"AMCP"))\r
 214                         return make_safe<amcp::AMCPProtocolStrategy>(channels_, thumbnail_generator_, shutdown_server_now_);\r
 215                 else if(boost::iequals(name, L"CII"))\r
 216                         return make_safe<cii::CIIProtocolStrategy>(channels_);\r
 217                 else if(boost::iequals(name, L"CLOCK"))\r
 218                         //return make_safe<CLK::CLKProtocolStrategy>(channels_);\r
 219                         return make_safe<IO::stateful_protocol_strategy_wrapper>([=]\r
 220                         {\r
 221                                 return std::make_shared<CLK::CLKProtocolStrategy>(channels_);\r
 222                         });\r
 223                 \r
 224                 BOOST_THROW_EXCEPTION(caspar_exception() << arg_name_info("name") << arg_value_info(narrow(name)) << msg_info("Invalid protocol"));\r
 225         }\r
 226 };\r
 227 \r
 228 server::server(boost::promise<bool>& shutdown_server_now) : impl_(new implementation(shutdown_server_now)){}\r
 229 \r
 230 const std::vector<safe_ptr<video_channel>> server::get_channels() const\r
 231 {\r
 232         return impl_->channels_;\r
 233 }\r
 234 \r
 235 std::shared_ptr<thumbnail_generator> server::get_thumbnail_generator() const\r
 236 {\r
 237         return impl_->thumbnail_generator_;\r
 238 }\r
 239 \r
 240 }